13051745 has 16 divisors (see below), whose sum is σ = 17981568. Its totient is φ = 8908800.

The previous prime is 13051739. The next prime is 13051751. The reversal of 13051745 is 54715031.

13051745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13051739) and next prime (13051751).

It is not a de Polignac number, because 13051745 - 2⁶ = 13051681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8270 + ... + 9720.

It is an arithmetic number, because the mean of its divisors is an integer number (1123848).

Almost surely, 2^13051745 is an apocalyptic number.

It is an amenable number.

13051745 is a deficient number, since it is larger than the sum of its proper divisors (4929823).

13051745 is a wasteful number, since it uses less digits than its factorization.

13051745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 13051745 is about 3612.7198895015. The cubic root of 13051745 is about 235.4450296402.

Adding to 13051745 its reverse (54715031), we get a palindrome (67766776).

The spelling of 13051745 in words is "thirteen million, fifty-one thousand, seven hundred forty-five".