11591402 has 16 divisors (see below), whose sum is σ = 18418752. Its totient is φ = 5459520.

The previous prime is 11591401. The next prime is 11591423. The reversal of 11591402 is 20419511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (11591401) 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, 1202 + ... + 4962.

It is an arithmetic number, because the mean of its divisors is an integer number (1151172).

Almost surely, 2^11591402 is an apocalyptic number.

11591402 is a deficient number, since it is larger than the sum of its proper divisors (6827350).

11591402 is a wasteful number, since it uses less digits than its factorization.

11591402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 11591402 is about 3404.6148093433. The cubic root of 11591402 is about 226.3142963077.

The spelling of 11591402 in words is "eleven million, five hundred ninety-one thousand, four hundred two".