13113345 has 32 divisors (see below), whose sum is σ = 24330240. Its totient is φ = 5906880.

The previous prime is 13113337. The next prime is 13113377. The reversal of 13113345 is 54331131.

It is not a de Polignac number, because 13113345 - 2³ = 13113337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6576 + ... + 8334.

It is an arithmetic number, because the mean of its divisors is an integer number (760320).

Almost surely, 2^13113345 is an apocalyptic number.

13113345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13113345 is a deficient number, since it is larger than the sum of its proper divisors (11216895).

13113345 is a wasteful number, since it uses less digits than its factorization.

13113345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845.

The product of its digits is 540, while the sum is 21.

The square root of 13113345 is about 3621.2352864734. The cubic root of 13113345 is about 235.8148564674.

Adding to 13113345 its reverse (54331131), we get a palindrome (67444476).

It can be divided in two parts, 1311 and 3345, that added together give a triangular number (4656 = T₉₆).

The spelling of 13113345 in words is "thirteen million, one hundred thirteen thousand, three hundred forty-five".