12903270 has 32 divisors (see below), whose sum is σ = 31076352. Its totient is φ = 3428832.

The previous prime is 12903259. The next prime is 12903277. The reversal of 12903270 is 7230921.

12903270 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 12903270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12903277) 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, 10929 + ... + 12051.

It is an arithmetic number, because the mean of its divisors is an integer number (971136).

Almost surely, 2^12903270 is an apocalyptic number.

12903270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12903270 is an abundant number, since it is smaller than the sum of its proper divisors (18173082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12903270 is a wasteful number, since it uses less digits than its factorization.

12903270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 12903270 is about 3592.1121920118. The cubic root of 12903270 is about 234.5488250058.

It can be divided in two parts, 1290 and 3270, that added together give a triangular number (4560 = T₉₅).

The spelling of 12903270 in words is "twelve million, nine hundred three thousand, two hundred seventy".