12761090 has 32 divisors (see below), whose sum is σ = 24230016. Its totient is φ = 4829440.

The previous prime is 12761083. The next prime is 12761123. The reversal of 12761090 is 9016721.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25745 + ... + 26235.

It is an arithmetic number, because the mean of its divisors is an integer number (757188).

Almost surely, 2^12761090 is an apocalyptic number.

12761090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12761090 is a deficient number, since it is larger than the sum of its proper divisors (11468926).

12761090 is a wasteful number, since it uses less digits than its factorization.

12761090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 12761090 is about 3572.2667873495. The cubic root of 12761090 is about 233.6841502865.

The spelling of 12761090 in words is "twelve million, seven hundred sixty-one thousand, ninety".