13161270 has 64 divisors (see below), whose sum is σ = 33094656. Its totient is φ = 3346560.

The previous prime is 13161229. The next prime is 13161277. The reversal of 13161270 is 7216131.

13161270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13161277) 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, 78727 + ... + 78893.

It is an arithmetic number, because the mean of its divisors is an integer number (517104).

Almost surely, 2^13161270 is an apocalyptic number.

13161270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13161270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16547328).

13161270 is an abundant number, since it is smaller than the sum of its proper divisors (19933386).

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

13161270 is a wasteful number, since it uses less digits than its factorization.

13161270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 13161270 is about 3627.8464686367. The cubic root of 13161270 is about 236.1017826790.

It can be divided in two parts, 13161 and 270, that added together give a palindrome (13431).

The spelling of 13161270 in words is "thirteen million, one hundred sixty-one thousand, two hundred seventy".