12261396 has 24 divisors (see below), whose sum is σ = 32697280. Its totient is φ = 3503232.

The previous prime is 12261383. The next prime is 12261409. The reversal of 12261396 is 69316221.

It is an interprime number because it is at equal distance from previous prime (12261383) and next prime (12261409).

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, 72901 + ... + 73068.

Almost surely, 2^12261396 is an apocalyptic number.

It is an amenable number.

12261396 is an abundant number, since it is smaller than the sum of its proper divisors (20435884).

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

12261396 is a wasteful number, since it uses less digits than its factorization.

12261396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145983 (or 145981 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 12261396 is about 3501.6276215497. The cubic root of 12261396 is about 230.5932761646.

The spelling of 12261396 in words is "twelve million, two hundred sixty-one thousand, three hundred ninety-six".