103213632 has 56 divisors (see below), whose sum is σ = 281911552. Its totient is φ = 33292800.

The previous prime is 103213573. The next prime is 103213633. The reversal of 103213632 is 236312301.

It is a junction number, because it is equal to n+sod(n) for n = 103213599 and 103213608.

It is not an unprimeable number, because it can be changed into a prime (103213633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2719 + ... + 14622.

Almost surely, 2^103213632 is an apocalyptic number.

103213632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103213632 is an abundant number, since it is smaller than the sum of its proper divisors (178697920).

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

103213632 is a wasteful number, since it uses less digits than its factorization.

103213632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17387 (or 17377 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 103213632 is about 10159.4110065495. The cubic root of 103213632 is about 469.0786719634.

Adding to 103213632 its reverse (236312301), we get a palindrome (339525933).

The spelling of 103213632 in words is "one hundred three million, two hundred thirteen thousand, six hundred thirty-two".