12903315 has 16 divisors (see below), whose sum is σ = 21149856. Its totient is φ = 6713600.

The previous prime is 12903313. The next prime is 12903349. The reversal of 12903315 is 51330921.

It is a happy number.

12903315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12903315 - 2¹ = 12903313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12903313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9876 + ... + 11105.

It is an arithmetic number, because the mean of its divisors is an integer number (1321866).

Almost surely, 2^12903315 is an apocalyptic number.

12903315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12903315 is a deficient number, since it is larger than the sum of its proper divisors (8246541).

12903315 is a wasteful number, since it uses less digits than its factorization.

12903315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21030.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 12903315 is about 3592.1184557305. The cubic root of 12903315 is about 234.5490976675.

It can be divided in two parts, 1290 and 3315, that multiplied together give a triangular number (4276350 = T₂₉₂₄).

The spelling of 12903315 in words is "twelve million, nine hundred three thousand, three hundred fifteen".