12737290 has 8 divisors (see below), whose sum is σ = 22927140. Its totient is φ = 5094912.

The previous prime is 12737281. The next prime is 12737317. The reversal of 12737290 is 9273721.

It can be written as a sum of positive squares in 2 ways, for example, as 11840481 + 896809 = 3441^2 + 947^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636855 + ... + 636874.

Almost surely, 2^12737290 is an apocalyptic number.

12737290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12737290 is a deficient number, since it is larger than the sum of its proper divisors (10189850).

12737290 is a wasteful number, since it uses less digits than its factorization.

12737290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273736.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 12737290 is about 3568.9340145203. The cubic root of 12737290 is about 233.5387827680.

The spelling of 12737290 in words is "twelve million, seven hundred thirty-seven thousand, two hundred ninety".