11413215 has 24 divisors (see below), whose sum is σ = 21582288. Its totient is φ = 5533440.

The previous prime is 11413187. The next prime is 11413217. The reversal of 11413215 is 51231411.

It is not a de Polignac number, because 11413215 - 2⁸ = 11412959 is a prime.

It is a super-2 number, since 2×11413215² = 260522953272450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11413217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11034 + ... + 12023.

It is an arithmetic number, because the mean of its divisors is an integer number (899262).

Almost surely, 2^11413215 is an apocalyptic number.

11413215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11413215 is a deficient number, since it is larger than the sum of its proper divisors (10169073).

11413215 is a wasteful number, since it uses less digits than its factorization.

11413215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23079 (or 23076 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 11413215 is about 3378.3450090244. The cubic root of 11413215 is about 225.1486425209.

Adding to 11413215 its reverse (51231411), we get a palindrome (62644626).

It can be divided in two parts, 11413 and 215, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 11413215 in words is "eleven million, four hundred thirteen thousand, two hundred fifteen".