12490777 has 4 divisors (see below), whose sum is σ = 13451620. Its totient is φ = 11529936.

The previous prime is 12490759. The next prime is 12490781. The reversal of 12490777 is 77709421.

12490777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77709421 = 1489 ⋅52189.

It can be written as a sum of positive squares in 2 ways, for example, as 4447881 + 8042896 = 2109^2 + 2836^2 .

It is a cyclic number.

It is not a de Polignac number, because 12490777 - 2¹⁵ = 12458009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12490727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480402 + ... + 480427.

It is an arithmetic number, because the mean of its divisors is an integer number (3362905).

Almost surely, 2^12490777 is an apocalyptic number.

It is an amenable number.

12490777 is a deficient number, since it is larger than the sum of its proper divisors (960843).

12490777 is an equidigital number, since it uses as much as digits as its factorization.

12490777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960842.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 12490777 is about 3534.2293360788. The cubic root of 12490777 is about 232.0223484714.

The spelling of 12490777 in words is "twelve million, four hundred ninety thousand, seven hundred seventy-seven".