12269477 has 4 divisors (see below), whose sum is σ = 13384896. Its totient is φ = 11154060.

The previous prime is 12269471. The next prime is 12269489. The reversal of 12269477 is 77496221.

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: 77496221 = 11 ⋅7045111.

It is a cyclic number.

It is not a de Polignac number, because 12269477 - 2¹⁴ = 12253093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12269477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12269471) 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, 557693 + ... + 557714.

It is an arithmetic number, because the mean of its divisors is an integer number (3346224).

Almost surely, 2^12269477 is an apocalyptic number.

It is an amenable number.

12269477 is a deficient number, since it is larger than the sum of its proper divisors (1115419).

12269477 is a wasteful number, since it uses less digits than its factorization.

12269477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115418.

The product of its digits is 42336, while the sum is 38.

The square root of 12269477 is about 3502.7813234628. The cubic root of 12269477 is about 230.6439233352.

The spelling of 12269477 in words is "twelve million, two hundred sixty-nine thousand, four hundred seventy-seven".