11649797 has 8 divisors (see below), whose sum is σ = 11919936. Its totient is φ = 11382912.

The previous prime is 11649791. The next prime is 11649809. The reversal of 11649797 is 79794611.

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

It is a cyclic number.

It is not a de Polignac number, because 11649797 - 2¹⁰ = 11648773 is a prime.

It is a Duffinian number.

11649797 is a modest number, since divided by 9797 gives 1164 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11649791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7328 + ... + 8774.

It is an arithmetic number, because the mean of its divisors is an integer number (1489992).

Almost surely, 2^11649797 is an apocalyptic number.

It is an amenable number.

11649797 is a deficient number, since it is larger than the sum of its proper divisors (270139).

11649797 is an equidigital number, since it uses as much as digits as its factorization.

11649797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627.

The product of its digits is 95256, while the sum is 44.

The square root of 11649797 is about 3413.1798956398. The cubic root of 11649797 is about 226.6937008797.

The spelling of 11649797 in words is "eleven million, six hundred forty-nine thousand, seven hundred ninety-seven".