12473155 has 8 divisors (see below), whose sum is σ = 15848352. Its totient is φ = 9391488.

The previous prime is 12473147. The next prime is 12473159. The reversal of 12473155 is 55137421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12473155 - 2³ = 12473147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12473159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73287 + ... + 73456.

It is an arithmetic number, because the mean of its divisors is an integer number (1981044).

Almost surely, 2^12473155 is an apocalyptic number.

12473155 is a deficient number, since it is larger than the sum of its proper divisors (3375197).

12473155 is a wasteful number, since it uses less digits than its factorization.

12473155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146765.

The product of its digits is 4200, while the sum is 28.

The square root of 12473155 is about 3531.7354091155. The cubic root of 12473155 is about 231.9131846696.

The spelling of 12473155 in words is "twelve million, four hundred seventy-three thousand, one hundred fifty-five".