11574399 has 16 divisors (see below), whose sum is σ = 16478208. Its totient is φ = 7201152.

The previous prime is 11574373. The next prime is 11574413. The reversal of 11574399 is 99347511.

It is a happy number.

It is not a de Polignac number, because 11574399 - 2⁷ = 11574271 is a prime.

It is a super-2 number, since 2×11574399² = 267933424422402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11573399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5584 + ... + 7370.

It is an arithmetic number, because the mean of its divisors is an integer number (1029888).

Almost surely, 2^11574399 is an apocalyptic number.

11574399 is a deficient number, since it is larger than the sum of its proper divisors (4903809).

11574399 is a wasteful number, since it uses less digits than its factorization.

11574399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934.

The product of its digits is 34020, while the sum is 39.

The square root of 11574399 is about 3402.1168410271. The cubic root of 11574399 is about 226.2035847929.

The spelling of 11574399 in words is "eleven million, five hundred seventy-four thousand, three hundred ninety-nine".