11992529 has 4 divisors (see below), whose sum is σ = 12040560. Its totient is φ = 11944500.

The previous prime is 11992511. The next prime is 11992559. The reversal of 11992529 is 92529911.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92529911 = 277 ⋅334043.

It is a cyclic number.

It is not a de Polignac number, because 11992529 - 2¹² = 11988433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11992492 and 11992501.

It is not an unprimeable number, because it can be changed into a prime (11992559) 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, 23639 + ... + 24140.

It is an arithmetic number, because the mean of its divisors is an integer number (3010140).

Almost surely, 2^11992529 is an apocalyptic number.

It is an amenable number.

11992529 is a deficient number, since it is larger than the sum of its proper divisors (48031).

11992529 is an equidigital number, since it uses as much as digits as its factorization.

11992529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48030.

The product of its digits is 14580, while the sum is 38.

The square root of 11992529 is about 3463.0231012802. The cubic root of 11992529 is about 228.8953266466.

It can be divided in two parts, 11992 and 529, that added together give a palindrome (12521).

The spelling of 11992529 in words is "eleven million, nine hundred ninety-two thousand, five hundred twenty-nine".