10797981 has 4 divisors (see below), whose sum is σ = 14397312. Its totient is φ = 7198652.

The previous prime is 10797979. The next prime is 10798027. The reversal of 10797981 is 18979701.

It is a happy number.

10797981 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 a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10797981 - 2¹ = 10797979 is a prime.

It is a super-2 number, since 2×10797981² = 233192787352722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10797911) 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, 1799661 + ... + 1799666.

It is an arithmetic number, because the mean of its divisors is an integer number (3599328).

Almost surely, 2^10797981 is an apocalyptic number.

It is an amenable number.

10797981 is a deficient number, since it is larger than the sum of its proper divisors (3599331).

10797981 is an equidigital number, since it uses as much as digits as its factorization.

10797981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599330.

The product of its (nonzero) digits is 31752, while the sum is 42.

The square root of 10797981 is about 3286.0281496055. The cubic root of 10797981 is about 221.0281148756.

The spelling of 10797981 in words is "ten million, seven hundred ninety-seven thousand, nine hundred eighty-one".