13012761 has 8 divisors (see below), whose sum is σ = 17588320. Its totient is φ = 8556192.

The previous prime is 13012759. The next prime is 13012787. The reversal of 13012761 is 16721031.

13012761 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13012761 - 2¹ = 13012759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13012721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29491 + ... + 29928.

It is an arithmetic number, because the mean of its divisors is an integer number (2198540).

Almost surely, 2^13012761 is an apocalyptic number.

It is an amenable number.

13012761 is a deficient number, since it is larger than the sum of its proper divisors (4575559).

13012761 is an equidigital number, since it uses as much as digits as its factorization.

13012761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59495.

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

The square root of 13012761 is about 3607.3204737034. The cubic root of 13012761 is about 235.2103804884.

Adding to 13012761 its reverse (16721031), we get a palindrome (29733792).

The spelling of 13012761 in words is "thirteen million, twelve thousand, seven hundred sixty-one".