12961592 has 32 divisors (see below), whose sum is σ = 28252800. Its totient is φ = 5459424.

The previous prime is 12961583. The next prime is 12961601. The reversal of 12961592 is 29516921.

12961592 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 (12961583) and next prime (12961601).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343 + ... + 5265.

It is an arithmetic number, because the mean of its divisors is an integer number (882900).

Almost surely, 2^12961592 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 12961592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14126400).

12961592 is an abundant number, since it is smaller than the sum of its proper divisors (15291208).

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

12961592 is a wasteful number, since it uses less digits than its factorization.

12961592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995 (or 3991 counting only the distinct ones).

The product of its digits is 9720, while the sum is 35.

The square root of 12961592 is about 3600.2211043212. The cubic root of 12961592 is about 234.9016760845.

The spelling of 12961592 in words is "twelve million, nine hundred sixty-one thousand, five hundred ninety-two".