12361478 has 8 divisors (see below), whose sum is σ = 19043472. Its totient is φ = 6013656.

The previous prime is 12361463. The next prime is 12361483. The reversal of 12361478 is 87416321.

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

It is a super-2 number, since 2×12361478² = 305612276688968, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83450 + ... + 83597.

It is an arithmetic number, because the mean of its divisors is an integer number (2380434).

Almost surely, 2^12361478 is an apocalyptic number.

12361478 is a deficient number, since it is larger than the sum of its proper divisors (6681994).

12361478 is a wasteful number, since it uses less digits than its factorization.

12361478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167086.

The product of its digits is 8064, while the sum is 32.

The square root of 12361478 is about 3515.8893611717. The cubic root of 12361478 is about 231.2189724137.

Adding to 12361478 its reverse (87416321), we get a palindrome (99777799).

The spelling of 12361478 in words is "twelve million, three hundred sixty-one thousand, four hundred seventy-eight".