11493997 has 4 divisors (see below), whose sum is σ = 11993760. Its totient is φ = 10994236.

The previous prime is 11493983. The next prime is 11494001. The reversal of 11493997 is 79939411.

It is a happy number.

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 11493997 - 2⁷ = 11493869 is a prime.

It is a super-2 number, since 2×11493997² = 264223934072018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11494997) 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, 249847 + ... + 249892.

It is an arithmetic number, because the mean of its divisors is an integer number (2998440).

Almost surely, 2^11493997 is an apocalyptic number.

It is an amenable number.

11493997 is a deficient number, since it is larger than the sum of its proper divisors (499763).

11493997 is an equidigital number, since it uses as much as digits as its factorization.

11493997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499762.

The product of its digits is 61236, while the sum is 43.

The square root of 11493997 is about 3390.2797819649. The cubic root of 11493997 is about 225.6785900282.

The spelling of 11493997 in words is "eleven million, four hundred ninety-three thousand, nine hundred ninety-seven".