12961053 has 20 divisors (see below), whose sum is σ = 22128480. Its totient is φ = 7405992.

The previous prime is 12961033. The next prime is 12961079. The reversal of 12961053 is 35016921.

12961053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12961053 - 2¹⁴ = 12944669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12961033) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10863 + ... + 11996.

It is an arithmetic number, because the mean of its divisors is an integer number (1106424).

Almost surely, 2^12961053 is an apocalyptic number.

It is an amenable number.

12961053 is a deficient number, since it is larger than the sum of its proper divisors (9167427).

12961053 is an equidigital number, since it uses as much as digits as its factorization.

12961053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22878 (or 22869 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 12961053 is about 3600.1462470294. The cubic root of 12961053 is about 234.8984199578.

Adding to 12961053 its reverse (35016921), we get a palindrome (47977974).

The spelling of 12961053 in words is "twelve million, nine hundred sixty-one thousand, fifty-three".