12678151 has 2 divisors, whose sum is σ = 12678152. Its totient is φ = 12678150.

The previous prime is 12678137. The next prime is 12678173. The reversal of 12678151 is 15187621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12678151 - 2⁵ = 12678119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12678121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6339075 + 6339076.

It is an arithmetic number, because the mean of its divisors is an integer number (6339076).

Almost surely, 2^12678151 is an apocalyptic number.

12678151 is a deficient number, since it is larger than the sum of its proper divisors (1).

12678151 is an equidigital number, since it uses as much as digits as its factorization.

12678151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 31.

The square root of 12678151 is about 3560.6391280218. The cubic root of 12678151 is about 233.1767831981.

The spelling of 12678151 in words is "twelve million, six hundred seventy-eight thousand, one hundred fifty-one".