12270070 has 16 divisors (see below), whose sum is σ = 22625568. Its totient is φ = 4788160.

The previous prime is 12270047. The next prime is 12270077. The reversal of 12270070 is 7007221.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12270077) 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, 14554 + ... + 15373.

It is an arithmetic number, because the mean of its divisors is an integer number (1414098).

Almost surely, 2^12270070 is an apocalyptic number.

12270070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12270070 is a deficient number, since it is larger than the sum of its proper divisors (10355498).

12270070 is a wasteful number, since it uses less digits than its factorization.

12270070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29975.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 12270070 is about 3502.8659694599. The cubic root of 12270070 is about 230.6476390503.

Adding to 12270070 its reverse (7007221), we get a palindrome (19277291).

The spelling of 12270070 in words is "twelve million, two hundred seventy thousand, seventy".