11953404 has 18 divisors (see below), whose sum is σ = 30215640. Its totient is φ = 3984456.

The previous prime is 11953393. The next prime is 11953429. The reversal of 11953404 is 40435911.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 165984 + ... + 166055.

Almost surely, 2^11953404 is an apocalyptic number.

It is an amenable number.

11953404 is an abundant number, since it is smaller than the sum of its proper divisors (18262236).

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

11953404 is a wasteful number, since it uses less digits than its factorization.

11953404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332049 (or 332044 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 11953404 is about 3457.3695203145. The cubic root of 11953404 is about 228.6461357732.

The spelling of 11953404 in words is "eleven million, nine hundred fifty-three thousand, four hundred four".