13115451 has 16 divisors (see below), whose sum is σ = 18526464. Its totient is φ = 8235744.

The previous prime is 13115437. The next prime is 13115471. The reversal of 13115451 is 15451131.

It is a happy number.

It is not a de Polignac number, because 13115451 - 2¹⁸ = 12853307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13115471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3205 + ... + 6041.

It is an arithmetic number, because the mean of its divisors is an integer number (1157904).

Almost surely, 2^13115451 is an apocalyptic number.

13115451 is a deficient number, since it is larger than the sum of its proper divisors (5411013).

13115451 is a wasteful number, since it uses less digits than its factorization.

13115451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930.

The product of its digits is 300, while the sum is 21.

The square root of 13115451 is about 3621.5260595500. The cubic root of 13115451 is about 235.8274797278.

Adding to 13115451 its reverse (15451131), we get a palindrome (28566582).

The spelling of 13115451 in words is "thirteen million, one hundred fifteen thousand, four hundred fifty-one".