11372538 has 16 divisors (see below), whose sum is σ = 22790880. Its totient is φ = 3783216.

The previous prime is 11372531. The next prime is 11372551. The reversal of 11372538 is 83527311.

It is a super-2 number, since 2×11372538² = 258669241122888, 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 (11372531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1908 + ... + 5136.

It is an arithmetic number, because the mean of its divisors is an integer number (1424430).

Almost surely, 2^11372538 is an apocalyptic number.

11372538 is an abundant number, since it is smaller than the sum of its proper divisors (11418342).

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

11372538 is a wasteful number, since it uses less digits than its factorization.

11372538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821.

The product of its digits is 5040, while the sum is 30.

The square root of 11372538 is about 3372.3193798927. The cubic root of 11372538 is about 224.8808455519.

Adding to 11372538 its reverse (83527311), we get a palindrome (94899849).

The spelling of 11372538 in words is "eleven million, three hundred seventy-two thousand, five hundred thirty-eight".