12136461 has 8 divisors (see below), whose sum is σ = 16198080. Its totient is φ = 8082912.

The previous prime is 12136457. The next prime is 12136483. The reversal of 12136461 is 16463121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12136461 - 2² = 12136457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12136441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4561 + ... + 6713.

It is an arithmetic number, because the mean of its divisors is an integer number (2024760).

Almost surely, 2^12136461 is an apocalyptic number.

It is an amenable number.

12136461 is a deficient number, since it is larger than the sum of its proper divisors (4061619).

12136461 is a wasteful number, since it uses less digits than its factorization.

12136461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4035.

The product of its digits is 864, while the sum is 24.

The square root of 12136461 is about 3483.7423842759. The cubic root of 12136461 is about 229.8074065122.

Adding to 12136461 its reverse (16463121), we get a palindrome (28599582).

The spelling of 12136461 in words is "twelve million, one hundred thirty-six thousand, four hundred sixty-one".