61306412 has 12 divisors (see below), whose sum is σ = 107449440. Its totient is φ = 30606576.

The previous prime is 61306411. The next prime is 61306417. The reversal of 61306412 is 21460316.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61306411) 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, 8612 + ... + 14027.

It is an arithmetic number, because the mean of its divisors is an integer number (8954120).

Almost surely, 2^61306412 is an apocalyptic number.

It is an amenable number.

61306412 is a deficient number, since it is larger than the sum of its proper divisors (46143028).

61306412 is a wasteful number, since it uses less digits than its factorization.

61306412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23320 (or 23318 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 61306412 is about 7829.8411222706. The cubic root of 61306412 is about 394.3077379652.

Adding to 61306412 its reverse (21460316), we get a palindrome (82766728).

The spelling of 61306412 in words is "sixty-one million, three hundred six thousand, four hundred twelve".