12621260 has 24 divisors (see below), whose sum is σ = 26718720. Its totient is φ = 5007744.

The previous prime is 12621251. The next prime is 12621269. The reversal of 12621260 is 6212621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12621251) and next prime (12621269).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (12621269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56 + ... + 5024.

It is an arithmetic number, because the mean of its divisors is an integer number (1113280).

Almost surely, 2^12621260 is an apocalyptic number.

12621260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12621260 is an abundant number, since it is smaller than the sum of its proper divisors (14097460).

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

12621260 is a wasteful number, since it uses less digits than its factorization.

12621260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105 (or 5103 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12621260 is about 3552.6412709419. The cubic root of 12621260 is about 232.8274800955.

Adding to 12621260 its reverse (6212621), we get a palindrome (18833881).

The spelling of 12621260 in words is "twelve million, six hundred twenty-one thousand, two hundred sixty".