11722498 has 4 divisors (see below), whose sum is σ = 17583750. Its totient is φ = 5861248.

The previous prime is 11722489. The next prime is 11722499. The reversal of 11722498 is 89422711.

11722498 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: 89422711 = 7 ⋅12774673.

It can be written as a sum of positive squares in only one way, i.e., 7112889 + 4609609 = 2667^2 + 2147^2 .

It is not an unprimeable number, because it can be changed into a prime (11722499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2930623 + ... + 2930626.

Almost surely, 2^11722498 is an apocalyptic number.

11722498 is a deficient number, since it is larger than the sum of its proper divisors (5861252).

11722498 is an equidigital number, since it uses as much as digits as its factorization.

11722498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861251.

The product of its digits is 8064, while the sum is 34.

The square root of 11722498 is about 3423.8133710820. The cubic root of 11722498 is about 227.1642868757.

The spelling of 11722498 in words is "eleven million, seven hundred twenty-two thousand, four hundred ninety-eight".