10621332 has 18 divisors (see below), whose sum is σ = 26848458. Its totient is φ = 3540432.

The previous prime is 10621327. The next prime is 10621339. The reversal of 10621332 is 23312601.

10621332 is a `hidden beast` number, since 10 + 621 + 3 + 32 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7918596 + 2702736 = 2814^2 + 1644^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×10621332² = 225625386908448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147483 + ... + 147554.

It is an arithmetic number, because the mean of its divisors is an integer number (1491581).

Almost surely, 2^10621332 is an apocalyptic number.

10621332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10621332 is an abundant number, since it is smaller than the sum of its proper divisors (16227126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10621332 is a wasteful number, since it uses less digits than its factorization.

10621332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295047 (or 295042 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 10621332 is about 3259.0385085175. The cubic root of 10621332 is about 219.8161825452.

Adding to 10621332 its reverse (23312601), we get a palindrome (33933933).

The spelling of 10621332 in words is "ten million, six hundred twenty-one thousand, three hundred thirty-two".