13161264 has 60 divisors (see below), whose sum is σ = 36285624. Its totient is φ = 4096512.

The previous prime is 13161229. The next prime is 13161277. The reversal of 13161264 is 46216131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103569 + ... + 103695.

Almost surely, 2^13161264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13161264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18142812).

13161264 is an abundant number, since it is smaller than the sum of its proper divisors (23124360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13161264 is a wasteful number, since it uses less digits than its factorization.

13161264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 149 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 13161264 is about 3627.8456416998. The cubic root of 13161264 is about 236.1017468007.

Adding to 13161264 its reverse (46216131), we get a palindrome (59377395).

The spelling of 13161264 in words is "thirteen million, one hundred sixty-one thousand, two hundred sixty-four".