11457988 has 24 divisors (see below), whose sum is σ = 21319200. Its totient is φ = 5372928.

The previous prime is 11457973. The next prime is 11457997. The reversal of 11457988 is 88975411.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7428 + ... + 8836.

It is an arithmetic number, because the mean of its divisors is an integer number (888300).

Almost surely, 2^11457988 is an apocalyptic number.

It is an amenable number.

11457988 is a deficient number, since it is larger than the sum of its proper divisors (9861212).

11457988 is a wasteful number, since it uses less digits than its factorization.

11457988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539 (or 1537 counting only the distinct ones).

The product of its digits is 80640, while the sum is 43.

The square root of 11457988 is about 3384.9649924335. The cubic root of 11457988 is about 225.4426708934.

The spelling of 11457988 in words is "eleven million, four hundred fifty-seven thousand, nine hundred eighty-eight".