12351897 has 12 divisors (see below), whose sum is σ = 18617664. Its totient is φ = 7876440.

The previous prime is 12351869. The next prime is 12351901. The reversal of 12351897 is 79815321.

It is not a de Polignac number, because 12351897 - 2⁷ = 12351769 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12351817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29629 + ... + 30042.

It is an arithmetic number, because the mean of its divisors is an integer number (1551472).

Almost surely, 2^12351897 is an apocalyptic number.

It is an amenable number.

12351897 is a deficient number, since it is larger than the sum of its proper divisors (6265767).

12351897 is a wasteful number, since it uses less digits than its factorization.

12351897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59700 (or 59697 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 12351897 is about 3514.5265684015. The cubic root of 12351897 is about 231.1592200777.

The spelling of 12351897 in words is "twelve million, three hundred fifty-one thousand, eight hundred ninety-seven".