11693913 has 64 divisors (see below), whose sum is σ = 21233664. Its totient is φ = 5544000.

The previous prime is 11693879. The next prime is 11693933. The reversal of 11693913 is 31939611.

It is a happy number.

It is not a de Polignac number, because 11693913 - 2⁶ = 11693849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (11693933) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 164668 + ... + 164738.

It is an arithmetic number, because the mean of its divisors is an integer number (331776).

Almost surely, 2^11693913 is an apocalyptic number.

It is an amenable number.

11693913 is a deficient number, since it is larger than the sum of its proper divisors (9539751).

11693913 is a wasteful number, since it uses less digits than its factorization.

11693913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146.

The product of its digits is 4374, while the sum is 33.

The square root of 11693913 is about 3419.6363841789. The cubic root of 11693913 is about 226.9794918951.

The spelling of 11693913 in words is "eleven million, six hundred ninety-three thousand, nine hundred thirteen".