13220354 has 16 divisors (see below), whose sum is σ = 23649408. Its totient is φ = 5419392.

The previous prime is 13220351. The next prime is 13220357. The reversal of 13220354 is 45302231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13220351) and next prime (13220357).

It is not an unprimeable number, because it can be changed into a prime (13220351) 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, 20207 + ... + 20850.

It is an arithmetic number, because the mean of its divisors is an integer number (1478088).

Almost surely, 2^13220354 is an apocalyptic number.

13220354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13220354 is a deficient number, since it is larger than the sum of its proper divisors (10429054).

13220354 is a wasteful number, since it uses less digits than its factorization.

13220354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41089.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13220354 is about 3635.9804729949. The cubic root of 13220354 is about 236.4545605631.

Adding to 13220354 its reverse (45302231), we get a palindrome (58522585).

The spelling of 13220354 in words is "thirteen million, two hundred twenty thousand, three hundred fifty-four".