12620047 has 8 divisors (see below), whose sum is σ = 14492160. Its totient is φ = 10868760.

The previous prime is 12620039. The next prime is 12620057. The reversal of 12620047 is 74002621.

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

It is not a de Polignac number, because 12620047 - 2³ = 12620039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12620057) 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, 29983 + ... + 30400.

It is an arithmetic number, because the mean of its divisors is an integer number (1811520).

Almost surely, 2^12620047 is an apocalyptic number.

12620047 is a deficient number, since it is larger than the sum of its proper divisors (1872113).

12620047 is a wasteful number, since it uses less digits than its factorization.

12620047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60413.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12620047 is about 3552.4705487871. The cubic root of 12620047 is about 232.8200210203.

Adding to 12620047 its reverse (74002621), we get a palindrome (86622668).

The spelling of 12620047 in words is "twelve million, six hundred twenty thousand, forty-seven".