13439115 has 32 divisors (see below), whose sum is σ = 24206400. Its totient is φ = 7161696.

The previous prime is 13439113. The next prime is 13439117. The reversal of 13439115 is 51193431.

It is an interprime number because it is at equal distance from previous prime (13439113) and next prime (13439117).

It is not a de Polignac number, because 13439115 - 2¹ = 13439113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13439113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10321 + ... + 11549.

It is an arithmetic number, because the mean of its divisors is an integer number (756450).

Almost surely, 2^13439115 is an apocalyptic number.

13439115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13439115 is a deficient number, since it is larger than the sum of its proper divisors (10767285).

13439115 is an frugal number, since it uses more digits than its factorization.

13439115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1237 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 13439115 is about 3665.9398522071. The cubic root of 13439115 is about 237.7516593740.

The spelling of 13439115 in words is "thirteen million, four hundred thirty-nine thousand, one hundred fifteen".