12902342 has 4 divisors (see below), whose sum is σ = 19353516. Its totient is φ = 6451170.

The previous prime is 12902339. The next prime is 12902347. The reversal of 12902342 is 24320921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24320921 = 59 ⋅412219.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12902347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3225584 + ... + 3225587.

It is an arithmetic number, because the mean of its divisors is an integer number (4838379).

Almost surely, 2^12902342 is an apocalyptic number.

12902342 is a deficient number, since it is larger than the sum of its proper divisors (6451174).

12902342 is an equidigital number, since it uses as much as digits as its factorization.

12902342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6451173.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 12902342 is about 3591.9830177772. The cubic root of 12902342 is about 234.5432019731.

The spelling of 12902342 in words is "twelve million, nine hundred two thousand, three hundred forty-two".