103213956 has 12 divisors (see below), whose sum is σ = 240832592. Its totient is φ = 34404648.

The previous prime is 103213921. The next prime is 103213967. The reversal of 103213956 is 659312301.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4300570 + ... + 4300593.

Almost surely, 2^103213956 is an apocalyptic number.

It is an amenable number.

103213956 is an abundant number, since it is smaller than the sum of its proper divisors (137618636).

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

103213956 is a wasteful number, since it uses less digits than its factorization.

103213956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8601170 (or 8601168 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 103213956 is about 10159.4269523433. The cubic root of 103213956 is about 469.0791627943.

The spelling of 103213956 in words is "one hundred three million, two hundred thirteen thousand, nine hundred fifty-six".