12497790 has 16 divisors (see below), whose sum is σ = 29994768. Its totient is φ = 3332736.

The previous prime is 12497789. The next prime is 12497791. The reversal of 12497790 is 9779421.

It is an interprime number because it is at equal distance from previous prime (12497789) and next prime (12497791).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12497791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208267 + ... + 208326.

It is an arithmetic number, because the mean of its divisors is an integer number (1874673).

Almost surely, 2^12497790 is an apocalyptic number.

12497790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12497790 is an abundant number, since it is smaller than the sum of its proper divisors (17496978).

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

12497790 is a wasteful number, since it uses less digits than its factorization.

12497790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416603.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 12497790 is about 3535.2213509199. The cubic root of 12497790 is about 232.0657636594.

The spelling of 12497790 in words is "twelve million, four hundred ninety-seven thousand, seven hundred ninety".