12155351 has 12 divisors (see below), whose sum is σ = 13473432. Its totient is φ = 10901088.

The previous prime is 12155347. The next prime is 12155371. The reversal of 12155351 is 15355121.

It is a happy number.

12155351 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12155351 - 2² = 12155347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12155371) 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, 17456 + ... + 18138.

It is an arithmetic number, because the mean of its divisors is an integer number (1122786).

Almost surely, 2^12155351 is an apocalyptic number.

12155351 is a deficient number, since it is larger than the sum of its proper divisors (1318081).

12155351 is an equidigital number, since it uses as much as digits as its factorization.

12155351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 733 counting only the distinct ones).

The product of its digits is 750, while the sum is 23.

The square root of 12155351 is about 3486.4524950155. The cubic root of 12155351 is about 229.9265739152.

The spelling of 12155351 in words is "twelve million, one hundred fifty-five thousand, three hundred fifty-one".