11357982 has 20 divisors (see below), whose sum is σ = 25450656. Its totient is φ = 3785940.

The previous prime is 11357981. The next prime is 11357993. The reversal of 11357982 is 28975311.

11357982 is a `hidden beast` number, since 1 + 1 + 3 + 579 + 82 = 666.

It is a super-2 number, since 2×11357982² = 258007510224648, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11357981) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34894 + ... + 35217.

Almost surely, 2^11357982 is an apocalyptic number.

11357982 is an abundant number, since it is smaller than the sum of its proper divisors (14092674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11357982 is an equidigital number, since it uses as much as digits as its factorization.

11357982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70125 (or 70116 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 11357982 is about 3370.1605303012. The cubic root of 11357982 is about 224.7848610221.

The spelling of 11357982 in words is "eleven million, three hundred fifty-seven thousand, nine hundred eighty-two".