11457812 has 6 divisors (see below), whose sum is σ = 20051178. Its totient is φ = 5728904.

The previous prime is 11457811. The next prime is 11457833. The reversal of 11457812 is 21875411.

11457812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7639696 + 3818116 = 2764^2 + 1954^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11457811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432223 + ... + 1432230.

It is an arithmetic number, because the mean of its divisors is an integer number (3341863).

Almost surely, 2^11457812 is an apocalyptic number.

It is an amenable number.

11457812 is a deficient number, since it is larger than the sum of its proper divisors (8593366).

11457812 is a wasteful number, since it uses less digits than its factorization.

11457812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864457 (or 2864455 counting only the distinct ones).

The product of its digits is 2240, while the sum is 29.

The square root of 11457812 is about 3384.9389950190. The cubic root of 11457812 is about 225.4415165862.

The spelling of 11457812 in words is "eleven million, four hundred fifty-seven thousand, eight hundred twelve".