11461572 has 18 divisors (see below), whose sum is σ = 28972398. Its totient is φ = 3820512.

The previous prime is 11461547. The next prime is 11461573. The reversal of 11461572 is 27516411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8856576 + 2604996 = 2976^2 + 1614^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×11461572² = 262735265422368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11461573) 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 5 ways as a sum of consecutive naturals, for example, 159153 + ... + 159224.

Almost surely, 2^11461572 is an apocalyptic number.

11461572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11461572 is an abundant number, since it is smaller than the sum of its proper divisors (17510826).

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

11461572 is a wasteful number, since it uses less digits than its factorization.

11461572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318387 (or 318382 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 11461572 is about 3385.4943509036. The cubic root of 11461572 is about 225.4661742141.

Adding to 11461572 its reverse (27516411), we get a palindrome (38977983).

The spelling of 11461572 in words is "eleven million, four hundred sixty-one thousand, five hundred seventy-two".