12497069 has 4 divisors (see below), whose sum is σ = 13458396. Its totient is φ = 11535744.

The previous prime is 12497059. The next prime is 12497081. The reversal of 12497069 is 96079421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96079421 = 47 ⋅2044243.

It can be written as a sum of positive squares in 2 ways, for example, as 3467044 + 9030025 = 1862^2 + 3005^2 .

It is a cyclic number.

It is not a de Polignac number, because 12497069 - 2⁴ = 12497053 is a prime.

It is a super-2 number, since 2×12497069² = 312353467181522, 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 (12497059) 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, 480644 + ... + 480669.

It is an arithmetic number, because the mean of its divisors is an integer number (3364599).

Almost surely, 2^12497069 is an apocalyptic number.

It is an amenable number.

12497069 is a deficient number, since it is larger than the sum of its proper divisors (961327).

12497069 is an equidigital number, since it uses as much as digits as its factorization.

12497069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961326.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 12497069 is about 3535.1193756364. The cubic root of 12497069 is about 232.0613009335.

The spelling of 12497069 in words is "twelve million, four hundred ninety-seven thousand, sixty-nine".