11402812 has 24 divisors (see below), whose sum is σ = 21369600. Its totient is φ = 5307696.

The previous prime is 11402803. The next prime is 11402851. The reversal of 11402812 is 21820411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 11402812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3213 + ... + 5755.

It is an arithmetic number, because the mean of its divisors is an integer number (890400).

Almost surely, 2^11402812 is an apocalyptic number.

It is an amenable number.

11402812 is a deficient number, since it is larger than the sum of its proper divisors (9966788).

11402812 is a wasteful number, since it uses less digits than its factorization.

11402812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625 (or 2623 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 11402812 is about 3376.8049988117. The cubic root of 11402812 is about 225.0802150204.

The spelling of 11402812 in words is "eleven million, four hundred two thousand, eight hundred twelve".