13211390 has 8 divisors (see below), whose sum is σ = 23780520. Its totient is φ = 5284552.

The previous prime is 13211381. The next prime is 13211399. The reversal of 13211390 is 9311231.

It is an interprime number because it is at equal distance from previous prime (13211381) and next prime (13211399).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211399) 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, 660560 + ... + 660579.

It is an arithmetic number, because the mean of its divisors is an integer number (2972565).

Almost surely, 2^13211390 is an apocalyptic number.

13211390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13211390 is a deficient number, since it is larger than the sum of its proper divisors (10569130).

13211390 is a wasteful number, since it uses less digits than its factorization.

13211390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321146.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 13211390 is about 3634.7475840834. The cubic root of 13211390 is about 236.4011061720.

The spelling of 13211390 in words is "thirteen million, two hundred eleven thousand, three hundred ninety".