11372520 has 32 divisors (see below), whose sum is σ = 34117920. Its totient is φ = 3032640.

The previous prime is 11372483. The next prime is 11372521. The reversal of 11372520 is 2527311.

It is a super-2 number, since 2×11372520² = 258668422300800, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11372521) by changing a digit.

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, 47266 + ... + 47505.

It is an arithmetic number, because the mean of its divisors is an integer number (1066185).

Almost surely, 2^11372520 is an apocalyptic number.

11372520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11372520 is an abundant number, since it is smaller than the sum of its proper divisors (22745400).

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

11372520 is a wasteful number, since it uses less digits than its factorization.

11372520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94785 (or 94781 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 11372520 is about 3372.3167111053. The cubic root of 11372520 is about 224.8807269076.

Adding to 11372520 its reverse (2527311), we get a palindrome (13899831).

The spelling of 11372520 in words is "eleven million, three hundred seventy-two thousand, five hundred twenty".